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Radar echoes from Venus and a new determination of the solar parallax

✍ Scribed by G. Pettengill; R. Price

Publisher
Elsevier Science
Year
1961
Tongue
English
Weight
403 KB
Volume
5
Category
Article
ISSN
0032-0633

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Structure determination of a new saponin
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✍ Premila Perera; Rolf Andersson; Lars Bohlin; Cristina Andersson; Du Li; Noel L. πŸ“‚ Article πŸ“… 1993 πŸ› John Wiley and Sons 🌐 English βš– 650 KB

## Abstract High‐field NMR experiments, including the 2D INADEQUATE technique coupled with a computerized spectral analysis, were used to determine the full structure of a new saponin extracted from a plant (__Alphitonia zizyphoides__) found in the Samoan rain forests. The saponin, which shows sign